lab@motestainstruments.com | Civil and Mechanical Engineering Lab Equipments India China
lab@motestainstruments.com | Civil and Mechanical Engineering Lab Equipments India China
Code: MOT-COM-0002
Digital Communication.
PCM modulator and demodulator, 8 bit coding with
compression, m or A selectable, 2 channels for transmission and 2 channels for reception,
Passing band from 300 Hz up to 3400 Hz, PAM modulator and demodulator, Two channel time
division, Sampled, but not quantified signal, External analogue filters, Passing band from
continuous to 3400 Hz, PWM and PPM modulator and demodulator, Single channel with
passing band from continuous to 4000 Hz Conversion of the PWM signal to PPM and from the
PPM signal to PWM, PFM modulator and demodulator, Single channel with passing band from
300 Hz to 3400 Hz Circuit realization with the use of a PLL, Delta modulator and demodulator,
Single channel with passing band from continuous to 3400 Hz Timing, Generated by a single
system with the use of a CPLD., Noise generator, Possibility to adjust the noise that is
superimposed to both analogue and digital signals, Analogue filters, 2 analogue filters with
4000 Hz limited band Output amplifier, 2 amplifiers able to pilot a small loudspeaker
Microphone amplifier, Microphone amplifier with automatic gain control Adjustable volume.
Power supply: + 5 Vdc, †5 V dc It must be possible to perform the following experiences: Pulse amplitude modulation, Pulse width modulation, Pulse position modulation, Pulse frequency
modulation, Pulse code modulation, Delta modulation. The faults must be inserted by software
and by microswitches. The module must be provided with a EISA BUS 31+18 interface for
connection to power supply and with a software able to allow the study of theoretical topics
through PC with hyper textual navigation according to the HTML standard. Connections and
test points by 2mm terminals. Dimensions of the module: 297x260mm The module must be
supplied with a theoretical and practical manual.
